% Matlab diary from cs111, Oct 24 2007.
%
% This is what I typed in class.  
%
% Type it into Matlab yourself to
% reproduce the output I showed.

diary on
format hex
clc

a = 1.618
format hex
format long
a
format hex
a
-a
a
format long
hex2dec('3ff')
1
1 + 1/2 + 1/16 + 1/32
ans + 1/64 + 1/128
a

format hex
a
1
1.5
1 + 1/4
1 + 1/8
1+ 1/16
1 + 1/32
1
2
-2
1
1/2

format long
2 ^ -1000
format hex
2 ^ -1000
2
1

format long
2^1000
format hex
2^1000

0
inf
1 / 0
format long
1 / 0
-1 / 0
format hex
-1 / 0
Inf + Inf
format long
Inf + Inf
2 * inf
- inf
inf + 1
inf - 1
inf / 2

inf - inf 
0/0   
1/0
nan

format hex
nan
-inf
0
-0
(0)   ==    (-0)
2 < 1
2 < inf
2 < nan
nan == nan
inf == inf
inf == inf+1
isnan(1)
isnan(0/0)
0/0 == nan
inf == 1/0
inf == -1/0
isinf(1/0)
isinf(-1/0)
isinf(nan)
isnan(inf)
diary off